Description
Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.
Published: 2026-05-18
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-5624-2pmv-jx46 Summarize contains a missing authorization vulnerability
History

Tue, 19 May 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 19 May 2026 01:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:steipete:summarize:*:*:*:*:*:*:*:*

Mon, 18 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Steipete
Steipete summarize
Vendors & Products Steipete
Steipete summarize

Mon, 18 May 2026 19:00:00 +0000

Type Values Removed Values Added
Description Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.
Title Summarize < 0.15.1 Browser Extension Missing Authorization via Content Script
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Steipete Summarize
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-19T16:23:04.223Z

Reserved: 2026-05-11T14:14:49.613Z

Link: CVE-2026-45243

cve-icon Vulnrichment

Updated: 2026-05-19T16:22:59.942Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-18T19:16:28.387

Modified: 2026-06-17T10:51:49.037

Link: CVE-2026-45243

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-18T21:30:15Z

Weaknesses